/ Thesaurus / J Synonyms of john van vleck Find synonyms for: Noun1. Van Vleck, John Van Vleck, John Hasbrouck Van Vleckusage: United States physicist (1899-1980)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language